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प्रश्न
Complete the following reaction, balance it and write the name of the products CuO + HCI →_________ + _________
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उत्तर
CuO + 2HCl → CuCl2 + H2O
The name of the products are copper(II) chloride (CuCl2) (also known as cupric chloride or copper chloride) and water (H2O).
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संबंधित प्रश्न
What is the difference between displacement and double displacement reactions? Write equations for these reactions.
What is observed when a solution of sodium sulphate is added to a solution of barium chloride taken in a test tube? Write equation for the chemical reaction involved and name the type of reaction in this case.
What type of chemical reaction is represented by the following equation?
PQ + RS → PS + RQ
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CuSO4 + 2NaOH → Cu(OH)2 + Na2SO4
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Name the type of reaction involved.
Consider the reaction:
KBr (aq) + AgNO3 (aq) → KNO3 (aq) + AgBr (s)
This is an example of:
(a) decomposition reaction
(b) combination reaction
(c) double displacement reaction
(d) displacement reaction
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(b) What is salt XNO3?
(c) Name the compound Y.
(d) Write the chemical equation of the reaction which takes place on reacting XNO3 solution and common salt solution giving the physical states of all the reactants and products.
(e) What type of chemical reaction is illustrated by the above equation?
A red-brown metal X forms a salt XSO4. When hydrogen sulphide gas is passed through an aqueous solution of XSO4, then a black precipitate of XS is formed alongwith sulphuric acid solution.
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(c) Name the black precipitate XS.
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Fill in the blank
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\[\ce{AgNO3_{(aq)} + NaCl_{(aq)} -> \underset{(Precipitate)}{AgCl_{(s)}}↓ + NaNO3_{(aq)}}\]
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- Write the names of the reactants and products of the above reaction.
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- exchange of atoms takes place
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The correct option is:
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The following reaction is an example of:
\[\ce{4NH3_{(g)} + 5O2_{(g)} -> 4NO_{(g)} + 6H2O_{(g)}}\]
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(iii) redox reaction
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`"TiCl"_4("l") + "Mg"("s") -> "Ti"("s") + "MgCl"_2("s")`
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Identify the product which represents the solid state in the above reaction.
A chemical reaction in which exchange of ions occurs between the reactants is known as ______.
Write the method of preparation of Ca(OH)2. What happens when CO2 is passed through it? Write balanced chemical equation for the reaction involved.
Give an example of a double displacement reaction.
